Need help with screenshots 11, 12, 13, 14, 15, 16, 17, 18, 21, and finally, 22. Please number them as I have so that I know where your answers go. If you need any other information, do not hesitate to let me know. I only need solutions and not the explanations. THANK YOU!

11 An outboard motor has an initial price of $2.430, Aservice oontract costs $300 for the rst year and increases $130 per year thereafter. The total cost of the outboard motor (in dollars) after n years is given by C(n) = 2.430 + 180" + 30n2, where n z 1. Complete parts (A) through (C), (A) Write an expression for the average cost per year. 5(n), for n years. F (B) Graph the average cost function found in part (A). Choose the correct graph below. OA Co 00 450 y 1%) 4.50 y 450 a e\"; 'n 0 20 (C) When is the average cost per year minimum? (This time is frequently referred to as the replacement time for this piece of equipment.) The average cost per year is minimum after years' Click to select your answer(s). Time Remaining: 02:20:02 m 12 16 Find the absolute maximum and minimum, if either exists, for f(x) = x + 7. Select the correct choice below and, if necessary, ll in the answer boxes to complete your choice: O A. The absolute maximum is at x = O B. There is no absolute maximum. Select the correct choice below and, if necessary. ll in the answer boxes to complete your choice. O A. The absolute minimum is atx= O B. There is no absolute minimum, Click to select and enter your answer(s). Time Remaining: 02:19:27 m 13 Find the dimensions of a rectangle with an area of 25 square feet that has the minimum perimeter. The dimensions of this rectangle are E. (Simplify your answer. Use a comma to separate answers as needed.) Enter your answer in the answer box. Time Remaining: 02:18:59 m 14 Afenoe is to be built to enclose a rectangular area of 800 square feet. The fence along three sides is to be made of material that costs $5 per foot. The material for the fourth side costs $15 per foot. Find the dimensions of the rectangle that will allow for the most eoonomical fence to be built. The short side is '1 ft and the long side is [I fL Enter your answer in each of the answer boxes. Time Remaining: 02:18:29 m 15 Find the following indefinite integral. . . . . . J x - 1 ax = 0 Enter your answer in the answer box. Time Remaining: 02:17:59 Next16 Find the equation of the curve that passes through (4,5) if its slope is given by the following equation. V(X) = D Enter your answer in the answer box. Time Remaining: 02:17:36 m 17 Evaluate the following indefinite integral. ex - 3x2 dx x3 . . . . . x's ex - 3x2 dx = * 3 Enter your answer in the answer box. Time Remaining: 02:17:06 Next18 The marginal average cost of producing x digital sports watches is given by the function C'(x), where C(x) is the average cost in dollars. C'(x) = - - 1,200 x2 C(100) = 27 Find the average cost function and the cost function. What are the fixed costs? . . . . . The average cost function is C(x) =. The cost function is C(x) = The fixed costs are $ Enter your answer in each of the answer boxes. Time Remaining: 02:16:37 Next21 Calculate the definite integral by referring to the figure with the indicated areas. C [ F( x ) dx Ab X B C Area A = 1.216 Area C = 5.762 Area B = 2.374 Area D = 1.783 . . . . . Enter your answer in the answer box. Time Remaining: 02:15:08 Next22 Calculate 5 x2 dx, given the following . we CO [Xox = 234 | Xox = 271 xdx = 36 . . . .. 10 5x 2 dx = 3 (Type an integer or a simplified fraction.) Enter your answer in the answer box. Time Remaining: 02:14:42 Next